Too few students with autism or intellectual disabilities have sex education. That omission may prevent them from forming fulfilling romantic relationships, and it may make them targets of abuse.

Researchers have cataloged more than 100 mutations in DDX3X, a candidate gene for autism.

People with mutations in a gene called TBR1 have unusual features in several brain regions, along with autism traits and developmental delay.

Rare mutations in a gene called BAZ2B are associated with various conditions of brain development, including autism.

Autistic people who are hyperactive or have difficulty controlling their own impulses are the most likely to show ongoing self-injury.

Mutations in a gene called ZNF292 lead to a variety of developmental conditions, including autism and intellectual disability.

Here are seven Spectrum stories from this year that deserve a close look.

A new database cross-checks study participants to avoid double-counting variants linked to autism genes.

Understanding how gaze differs in autistic people may help improve their lives.

People who have mutations in a gene called PHF21A tend to have a constellation of traits and conditions, including autism.